.part_one {
    background: url(../img/about_us/bg.png);
}

.part_two {
    background: #f5f5f5;
    padding: 158px 0;
}

h4 {
    text-align:center;
}

h4 + .underline {
    width: 0;
}

.part_two section:first-child header {
    margin-bottom: 40px;
}

.part_two .content {
    font-size: 0.17rem;
    line-height: 0.38rem;
    text-indent: 2em;
    margin-bottom: 0.9rem;
}

.services ul {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.services ul .pic {
    display: flex;
    justify-content: center;
    width: 100%;
    flex-basis: 0.9rem;
    background-repeat: no-repeat;
    background-position: center 0;
    background-size: contain;
}

.services li {
    padding-top: 0.84rem;
    display: flex;
    flex-direction: column-reverse;
    text-align: center;
    line-height: 1.15rem;
    font-size: 0.27rem;
    letter-spacing: 0.05rem;
    flex: 1;
    transition: .3s;
}

.services li:nth-child(1) .pic{
    background-image: url(../img/index/phone.png);
}

.services li:nth-child(2) .pic{
    background-image: url(../img/index/computer.png);
}

.services li:nth-child(3) .pic{
    background-image: url(../img/index/shop.png);
}

.services li:nth-child(4) .pic{
    background-image: url(../img/index/wechat.png);
}

.services li:nth-child(1):hover .pic{
    background-image: url(../img/index/phone-white.png);
}

.services li:nth-child(2):hover .pic{
    background-image: url(../img/index/computer-white.png);
}

.services li:nth-child(3):hover .pic{
    background-image: url(../img/index/shop-white.png);
}

.services li:nth-child(4):hover .pic{
    background-image: url(../img/index/wechat-white.png);
}

.services li p {
    width: 100%;
}

.services li:hover {
    background: #f0a676;
    color: #fff;
}
.part_two .our_clients {
    margin-top: 1.6rem;
}

.part_two .our_clients ul {
    display: flex;
    width: 12rem;
    flex-wrap: wrap;
    margin: 0 auto;
}

.part_two .our_clients ul a {
    display: flex;
    width: 3rem;
    height: 1.48rem;
    background: #fff;
    border: 0.01rem solid #f9f9f9;
    border-top: none;
    border-left: none;
    box-sizing: border-box;
    align-items: center;
    justify-content: center;
    cursor: default;
    flex: 1;
}

.part_two .our_clients li{
    width: 3rem;
    display: flex;
    perspective: 10rem;
    transform-style: preserve-3d;
}

.part_two .our_clients li img {
    transition: .3s;
    width: 1.6rem;
    height: 0.7rem;
}

.part_two .our_clients a:hover img{
    transform: translateZ(0.25rem);
}